Hirose DF40, 0.4mm Pitch, 20 Way, 2 Row, Straight PCB Header, Surface Mount

  • RS-artikelnummer 772-6715
  • Tillv. art.nr DF40C-20DP-0.4V(58)
  • Tillverkare / varumärke Hirose
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Hirose DF40 Series 0.4 mm Board to Board Connectors

DF40 Series 0.4 mm board to board and board to FPC header and socket connectors with a high density, low profile space saving design. The width of these connectors is a minimum of 3.38 mm but there is still sufficient space for a vacuum area for pick and place mounting. These DF40 Series connectors are available with a range of stack heights from 1.5 mm to 4.0 mm for high density mounting and design versatility. The contacts of these DF40 series connectors offer high contact reliability with an effective mating length of 0.45 mm on the lowest 1.5 mm stacking height. Nickel plated barriers protect the contact areas from solder wicking. These 0.4mm DF40 connectors feature a locking mechanism to prevent accidental unmating. Once mating is complete a tactile click is produced to provide mating assurance. Guide ribs on the connector enable the connector to self-align by 0.33 mm during mating. These DF40 connectors have a reinforced structure with shock absorbing ribs that help protect against damage caused by impact or vibration. When mated the housing of these DF40 connectors covers the contacts protecting them from dust and debris and preventing shorting. The SMT leads are positioned close to the connector which also prevents contaminants from causing shorts on the exposed contacts

Features and Benefits

• High density, low profile design
• Wide range of stack heights
• High contact reliability
• Nickel plated barriers to prevent solder wicking
• Locking mechanism with audible click for mating assurance
• Guide ribs allow self-alignment of 0.33 mm
• Reinforced structure with shock absorbing ribs
• Contamination resistant design

Application Specification

The 0.4mm DF40 Series board to board connectors with their high density design and reliable performance are ideal for use in miniature devices. Applications include mobile phones, developer chip sets, LCD displays, Notebook PCs and keyboards


For mating DF40 SMT Headers see stock number 772-6737 typical.

0.4mm Hirose - DF40

Attribute Value
Series DF40
Pitch 0.4mm
Number of Contacts 20
Number of Rows 2
Body Orientation Straight
Mounting Type Surface Mount
Connector System Board to Board, Board to FPC
Termination Method Solder
Contact Material Copper Alloy
Contact Plating Gold
Current Rating 300mA
20 I lager för leverans inom 1 arbetsdagar
Pris (ex. moms) Each (In a Pack of 5)
8,52 kr
(exkl. moms)
10,65 kr
(inkl. moms)
Per unit
Per Pack*
5 - 45
8,52 kr
42,60 kr
50 - 95
6,99 kr
34,95 kr
100 +
6,39 kr
31,95 kr
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